The quest for legitimacy in the United States is leading Binance.com, the world’s largest cryptocurrency exchange, to pursue an initial public offering of its American unit. But for a company founded on secrecy — as cryptocurrency firms typically are — the going could be slow and fitful.This month, Brian Brooks, the chief executive of Binance.US, left the company after just three months on the job, citing “strategic differences.” Changpeng Zhao, the Chinese Canadian billionaire who owns Binance.com, had hired Mr. Brooks, a former regulator, to help the company gain a U.S. footing. Mr. Brooks left after …
